This system uses a colour-changing LED (RGB LED/tri-colour LED) that switches to a new colour every 5 seconds. Simultaneously, the colour name is displayed on an OLED mini screen (SSD1306). This ...

Early detection of health irregularities helps identify conditions before they develop, allowing timely intervention. Continuous monitoring, however, is not easy without wearable sensors that ...

Discover how you can build a professional digital multimeter using Arduino that measures up to 24V DC voltage, checks resistance, conducts diode testing, and performs continuity tests. This ...

CNXSoft: This is a guest post by Florian Robert (1technophile) of the OpenMQTTGateway project about using a 433 MHz LoRa transceiver on an ESP32 board for home automation, specifically to talk to 433 ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. This manuscript details the first report of a complete additively manufactured ...

Besides the addition of Bluetooth, there are many differences between ESP8266 and ESP32 and one of the lesser-known interfaces may be ESP32’s touch sensor interface. India-based Electro Point’s ESP32 ...

Looking for a digital recreation of the classic analog volume unit (VU) meter? If you’ve got an Arduino, a few passive components, and a SSD1306 OLED, then [mircemk] might have the answer for you. As ...

The "Quick Response" code or abbreviated as QR code has become an essential part of our digital lives, chances are that you're already subconsciously familiar with them by now you've probably been ...